diff --git a/src/gui/widgets.py b/src/gui/widgets.py
index 420807b..c3144b4 100644
--- a/src/gui/widgets.py
+++ b/src/gui/widgets.py
@@ -953,6 +953,8 @@ class UartMonitorWindow(ctk.CTkToplevel):
         self.geometry("680x540")
         self.minsize(480, 360)
         self.protocol("WM_DELETE_WINDOW", self._on_close)
+        self.lift()   # ensure visible on Windows
+        self.focus()
 
         self._on_log = on_log
 
@@ -1201,5 +1203,4 @@ class UartMonitorWindow(ctk.CTkToplevel):
         if self._monitor:
             self._monitor.stop()
             self._monitor = None
-        self.grab_release()
         self.destroy()